int Assembl(char *answer,ulong parm) {
int i,j,k,n,good;
char s[TEXTLEN];
t_asmmodel model,attempt;
t_memory *pmem;
t_dump *pasm;
// Visualize changes.
Setcpu(0,address,0,0,CPU_ASMHIST|CPU_ASMCENTER);
if (string[0]=='\0') // No immediate command
Sendshortcut(PM_DISASM,address,WM_CHAR,0,0,' ');
else {
// Assemble immediate command. If there are several possible encodings,
// select the shortest one.
model.length=0;
for (j=0; ; j++) { // Try all possible encodings
good=0;
for (k=0; k<4; k++) { // Try all possible constant sizes
n=Assemble(string,address,&attempt,j,k,model.length==0?answer:s);
if (n>0) {
good=1;
// If another decoding is found, check if it is shorter.
if (model.length==0 || n<model.length)
model=attempt; // Shortest encoding so far
;
};
};
if (good==0) break; // No more encodings
};
if (model.length==0)
return -1; // Invalid command
// Check for imprecise parameters.
k=model.mask[0];
for (i=1; i<model.length; i++) k&=model.mask[i];
if (k!=0xFF) {
strcpy(answer,"Command contains imprecise operands");
return -1; };
// If there is no backup copy, create it. Dump window always assumes that
// backup has the same base and size as the dump, so check it to avoid
// strange ireproducible errors.
pmem=Findmemory(address);
if (pmem==NULL) {
//strcpy(answer,"Attempt to assemble to non-existing memory");
wsprintf(answer,"%X",model.code[0]);
for(i=1; i<model.length; i++) {
wsprintf(answer,"%s%X",answer,model.code[i]);
}
return -1; };
pasm=(t_dump *)Plugingetvalue(VAL_CPUDASM);
if (pasm!=NULL && pmem->copy==NULL && pmem->base==pasm->base && pmem->size==pasm->size)
Dumpbackup(pasm,BKUP_CREATE);
// Now write assembled code to memory.
Writememory(model.code,address,model.length,MM_RESTORE|MM_DELANAL);
};
return 0;
};
bool ESPRun(void)
{
DWORD EIP,ESP,ESP2;
ulong cpuid;
cpuid = Getcputhreadid();
t_thread *pt = Findthread(cpuid);
EIP = pt->reg.ip;
ESP = pt->reg.r[4];
/*
char code[2]={0};
char pushad=0x60;
char pushaf=0x9c;
uint pushwf=0x669c;
Readmemory(code,EIP,1,MM_RESTORE);
t_status st = Getstatus();
try
{
while(code[0] != pushad)
{
int er=Go(cpuid, 0, STEP_IN, 1, 1);
st = Getstatus();
Suspendprocess(cpuid);
t_thread *pt = Findthread(cpuid);
EIP = pt->reg.ip;
Readmemory(code,EIP,1,MM_RESTORE);
Runsinglethread(cpuid);
st = Getstatus();
}
}
catch (...)
{
cout <<"error";
exit(100);
}
ESP2 = pt->reg.r[4];
DWORD tmpesp =ESP2 - 8;
*/
ESP=ESP-0x04;
Sethardwarebreakpoint(ESP, 1, HB_WRITE);
Sendshortcut(PM_MAIN, 0, WM_KEYDOWN, 0, 1, VK_F9);
return true;
}
int Dorigin(char *answer,ulong parm) {
Sendshortcut(PM_DISASM,0,WM_CHAR,0,0,'*');
return 0;
};
